Ars returns with the lowdown on nagios, a systemmonitoring tool. I have nagios core up and running, and cannot find any way to schedule a regular period of downtime for hosts. If you used yum to install, skip the compilation steps below. Proactive planning feature helps to know when its time to upgrade the infrastructure. When nagios attempts to reschedule a host or service check, it will make sure that the next check falls within a valid time range within the defined timeperiod. Setting a service as its own parent is not caught by the sanity checker v and. Nagios provides network, server, and application monitoring. So it doesnt concern service notification labynocle aug 2 at 8. Additionally, the official method for supplying patches for nagios is to email the nagios devel mailing list.
How to configure nagios html email alert tech space kh. When nagios core attempts to reschedule a host or service check, it will make sure that the next check falls within a valid time range within the defined timeperiod. To check this, from nagios network monitoring program web interface go to report section and click on notifications option. The timeperiod objects define when to monitor hostsservices and when to notify contact persons. Nagios configuration files are located in the etcnagios3 directory.
The question is that if a monitoring system contains nagios servers across the world, how could they sync on the time on configuration. Anyway at this point nagios is complaining about not finding the contact listed in g, so i checked and i think both g and g correct. How to install nagios 4 and monitor your servers on ubuntu 14. Install and configure nagios for postgresqlppas on linux. According to this it is required to update the main nagios core configuration file g it is possible to specify. Creating a new time period nagios core administration cookbook. It is possible in the next version insert 1 or 2 blank field in the centreon gui configuration users time period add blank field name blank field value in. Complete nagios configuration and nrpe addon configuration. When a host notification is about to get sent out, nagios core will make sure that the current time is within a valid. However, when i define the time range for timeperiod, such as 08. The main configuration file is usually named g and located in the. How to install nagios 4 and monitor your servers on centos 7.
We will start the journey looking at nagios plugins. After installing nagios, the default gsample file is generally good enough to be used as g, unless you have some fancy stuff to configure in. Windows time sync monitoring plugin is available in nagios exchange just download. Here in this article we are going to talk about ntp time sync monitoring specified ntp source in windows using nagios server. Nagios timeperiod and notification period stack overflow. If it doesnt, nagios will adjust the next service check time to coincide with the next valid time in the. The master branch tracks svn trunk, but might lag a few days behind.
Semiofficial git import of nagios, to be removed when nagios migrates to git properly. This config file provides you with some example timeperiod definitions that you can refer in host, service, contact, and dependency definitions. It also specifies a time period for monitoring, and it provides templates for host and service groups in other words, everything you need to get started. In core, you configure everything with flat text on the command line.
Download a free 60day trial of nagios xi or give the online demo a spin. This is a quick manual on nagios configuration files. The contents of the status file are deleted every time nagios. Apr 12, 2006 it also specifies a time period for monitoring, and it provides templates for host and service groups in other words, everything you need to get started. Main configuration file options nagios core documentation. Its a bit more complex then i expected but i have a feeling that the second time will be simple. It is possible in the next version insert 1 or 2 blank field in the centreon gui configuration users time period add blank field name blank field value in this way it is possible to use all the time period features. Nagios core nagios as a pc health monitor nwc14 viewed 2417 times since tue, feb 9, 2016 nagios core determining status and reachability of network hosts.
As handy as g is, the one file that must exist is the main nagios configuration file g. You can also tell nagios to process all config files with a. I have been trying to get nagios working for a while now. Nagios how do i schedule a regular period of downtime. A time period is a list of times during various days that are considered to be valid times for notifications and service checks. This is the main configuration file of nagios core.
If the plugins are timing out after a short period of time, increase the timeout value for the plugin using the appropriate command line argument for that plugin. Otherwise, strap on your seat belt, here we go compiling nrpe and nagios plugins 1. If you use the yum installation, you will find that your g file will be found at. Using the dumb setting will cause all checks to be scheduled. To get acquainted with nagios configuration, let us back up the preconfigured infrastructure. Setting apache configuration file for access to the nagios web interface. Whether it is in schools, colleges, armies or societies, from time immemorial, overseers or prefects like district magistrates or religious priests, have played an important part in regulating and monitoring the performance and daytoday activities of the groups of people they oversee. Ntp time sync monitoring specified ntp source in windows. Ntp time sync monitoring configuration in nagios core nagios xi.
Nagios configuration how to configure nagios geekpeek. Nagios core how to think with nagios to solve monitoring problems nwc14 viewed 1607 times since mon, feb 8, 2016 nagios core understanding macros and how they work. Nagiosserver adding multiple hosts to monitor them via. The practice of appointing prefects is a time honoured one. Install the nagios plugins to have a set of tools to monitor. For example, lets say i have a host that is scheduled to reboot itself every sunday at 1 am. Nagios xi provides network, server, and application monitoring. When nagios attempts to reschedule a host or service check, it will make sure that the next check falls within a. Without the implementation of time periods, nagios would monitor all services that you had defined 24 hours a day, 7 days a week. Weve just added two more of these time periods, which we can now use in our. I need to execute checks for the first weekday after eom. If a host goes down, becomes unreachable, or recoveries during a time which is not covered by the time period, no notifications will be sent out.
Install and configure nagios monitoring for local and remote hosts. How to make nagios monitor its service at particular time. The workers for nagios are the plugins and many are provided with the outofthebox configuration. It consists of time ranges for each day of the week that rotate once the week has come to an end. Anyway at this point nagios is complaining about not finding the contact listed in contactgroups. Nagios core reads its configuration data from text files. Disable nagios notification for a time period tips and.
From here we can view the plugins but we can also run them manually. The practice of appointing prefects is a timehonoured one. Its standard core version is free for download and use with no real limitations, its premium xi version offers additional features, most notably a gui interface with which to configure it. Id like to be able to schedule that known downtime of every sunday from 1. Feb 10, 2016 nagios core how to think with nagios to solve monitoring problems nwc14 viewed 1607 times since mon, feb 8, 2016 nagios core understanding macros and how they work. How to install nagios 4 and monitor your servers on ubuntu. In my case i would need to take a database backup from a mysql slave. Note that some of these may already be incorporated in current versions of nagios. How to install nagios 4 and monitor your servers on centos.
How to define nagios timeperiod exclude for maintenance window. This directive is used to specify the short name of the time period during which active checks of. I dont want to use multiple configuration files for different time zones. This plugin is written on python and utilizes the module boto python interface to amazon web services to get various rds metrics from cloudwatch and compare them against the thresholds install the package. Copy the link address for the latest stable release so you can download it to your nagios server. How to make nagios monitor its service at particular time period nagios exchange. With nagios you can monitor the mariadb server and its performance, as well as individual mariadb databases and the information in them. Guide to installing and configuring nagios on a linux server. Ncpl gives you centralized control over remote nagios systems from a central server and permits to edit and install new config files. When a service notification is about to get sent out, nagios will make sure that the current time is within a valid range in the period time period. Timeperiod definitions allow you to control when various aspects of the monitoring and alerting logic can operate. Next, define another time period where you want the above time period to be excluded. Nagios remote plugins with nrpe uptime through simplicity.
Nagios, one of the most popular hardware, network, and application monitoring tools, can also handle advanced mariadb monitoring. Disable nagios notification for a time period yeaah its another jobs comes from my curiosity as i need nagios notification disable while im running a backup. Setting this value to 1 will cause nagios to generate an alert without retrying the host check. Except this one also has the exclude directive, which excluded the above weeklymaintenance time period. This assumes youve added this in the g file as well as created the file in etcnagios.
Nagios exchange the official site for hundreds of communitycontributed nagios plugins, addons, extensions, enhancements, and more. For example, below i have given the service definition applicabale for several hosts. Nagios network monitoring program host and service notifications are handled through a dedicated script for each case, resulting in two scripts to download. Additionally, the official method for supplying patches for nagios is to email the nagiosdevel mailing list. This directive is used to specify the short name of the time period during which active checks of this host can be made. Sep 26, 20 next, define another time period where you want the above time period to be excluded. Download a free 60day trial or give the online demo a spin. People to be notified are configured in the etcnagios3conf.
The monitored infrastructure is defined using files in the etcnagios3conf. Go to the nagios downloads page, and click the skip to download link below the form. Download the source code for the latest stable release of nagios core. If it is a valid time, then nagios will attempt to notify each contact of the service problem. When you define in the other configuration files when eg. At the time of this writing, the latest stable release is nagios 4. This is a sample configuration file that comes with nagios installation that you can use as a.
This is designed to allow for maximum flexibility with a variety of administrators setups. To look at what we have lets change into the directory. We also need to verify email log on nagios network monitoring program to make sure that nagios still keeping sending the email notification. Im trying to set up a custom time period for some of my nagios notifications.
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